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Numerous cleanups in the JS bits. Removed some now-defunct wasm test files. Expose sqlite3.opfs object containing various OPFS-specific utilities.

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FossilOrigin-Name: 26e625d05d9820033b23536f18ad3ddc59ed712ad507d4b0c7fe88abd15d2be8
This commit is contained in:
stephan
2022-09-18 17:32:35 +00:00
parent 0db3089576
commit f386012069
15 changed files with 337 additions and 679 deletions
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34
ext/wasm/test-opfs-vfs.js
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@@ -34,12 +34,16 @@ const tryOpfsVfs = function(sqlite3){
const oVfs = capi.sqlite3_vfs.instanceForPointer(pVfs) || toss("Unexpected instanceForPointer() result.");;
log("OPFS VFS:",pVfs, oVfs);
const urlArgs = new URL(self.location.href).searchParams;
const dbFile = "my-persistent.db";
const db = new sqlite3.oo1.DB(dbFile, "c", "opfs");
if(urlArgs.has('delete')) sqlite3.opfs.deleteEntry(dbFile);
const opfs = sqlite3.opfs;
const db = new opfs.OpfsDb(dbFile);
log("db file:",db.filename);
try{
let n = db.selectValue("select count(*) from sqlite_schema");
if(n){
if(opfs.entryExists(dbFile)){
let n = db.selectValue("select count(*) from sqlite_schema");
log("Persistent data found. sqlite_schema entry count =",n);
}
db.transaction((db)=>{
@@ -54,6 +58,17 @@ const tryOpfsVfs = function(sqlite3){
});
});
log("count(*) from t =",db.selectValue("select count(*) from t"));
// Some sanity checks of the opfs utility functions...
const testDir = '/sqlite3-opfs-'+opfs.randomFilename(12);
const aDir = testDir+'/test/dir';
opfs.mkdir(aDir) || toss("mkdir failed");
opfs.mkdir(aDir) || toss("mkdir must pass if the dir exists");
opfs.deleteEntry(testDir+'/test') && toss("delete 1 should have failed (dir not empty)");
opfs.deleteEntry(testDir+'/test/dir') || toss("delete 2 failed");
opfs.deleteEntry(testDir+'/test/dir') && toss("delete 2b should have failed (dir already deleted)");
opfs.deleteEntry(testDir,true) || toss("delete 3 failed");
opfs.entryExists(testDir) && toss("entryExists(",testDir,") should have failed");
}finally{
db.close();
}
@@ -62,10 +77,9 @@ const tryOpfsVfs = function(sqlite3){
}/*tryOpfsVfs()*/;
importScripts('sqlite3.js');
self.sqlite3InitModule().then((EmscriptenModule)=>{
EmscriptenModule.sqlite3.installOpfsVfs()
.then((sqlite3)=>tryOpfsVfs(sqlite3))
.catch((e)=>{
console.error("Error initializing OPFS VFS:",e);
});
});
self.sqlite3InitModule()
.then((EmscriptenModule)=>EmscriptenModule.sqlite3.installOpfsVfs())
.then((sqlite3)=>tryOpfsVfs(sqlite3))
.catch((e)=>{
console.error("Error initializing module:",e);
});